from http://aur.archlinux.org/packages.php?ID=164
peti wrote:
@mesteiral, the problem is that riot's Cabal build instructions are
completely broken. That's not just an issue with ArchLinux;
cabal-install can't build that package either. Apparently, Sergej
patched the package to make that build succeed. It would be generally
very helpful if that fixed package could be uploaded to Hackage.
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